Marker (Clearance) Light Issues
Hi there. I have a 1989 Ford class C. It is the Glendale Sterling series built on an E350 frame. The last time I checked, all the lights on the vehicle worked (I just had it certified in the fa...
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Skin being fiberglass makes it a little harder to locate.
Try running a jumper from ground to a fixture ground point. This will tell if it is a ground broken.
If the ground does not show being open, do the same thing by applying 12 volts DC to the center point of the lamp to see if lights come on.
Wiring could be run either up the rrear near one of the tailights, or in the front near where the chassis(cab) meets the coach. Could be corroded or broken wire.
Try running a jumper from ground to a fixture ground point. This will tell if it is a ground broken.
If the ground does not show being open, do the same thing by applying 12 volts DC to the center point of the lamp to see if lights come on.
Wiring could be run either up the rrear near one of the tailights, or in the front near where the chassis(cab) meets the coach. Could be corroded or broken wire.
